Tianyi Technology Co., Ltd., established on 2017-04-17, Business scope includes environmental monitoring technology development;Geological Exploration Technical Services;Business Management Consulting Services;Wholesale and retail:Computers and Auxiliary Equipment,Mechanical equipment and parts,Ferrous Metal Mineral Products,office equipment,building materials(except lime),Chemical Products(Excluding hazardous chemicals),textile,Instrumentation,Fire equipment,Electrical Equipment;Mechanical parts processing;Hazardous waste collection and disposal;General cargo transportation,Road transport of dangerous goods;Loading and unloading;Manufacture of special equipment and accessories for oil drilling;Manufacturing of additives for drilling(Excluding hazardous chemicals);Oil Drilling Technical Services;sewage treatment;Downhole operation;Energy saving and environmental protection technology and product technology development,consult,transfer,Serve;town gas supply;Car rental;boiler installation;Pipeline construction;Labor subcontracting;Auto Repair and Maintenance;Manufacture of prefabricated buildings;Recycling of recycled materials.Operating without storage facilities:oxygen[compressed or liquefied] ,nitrogen[compressed or liquefied],argon[compressed or liquefied] ,carbon dioxide[compressed or liquefied],propane,natural gas[rich in methane] (Limited to non-fuel uses such as raw materials for industrial production),Acetylene,sodium hydroxide,liquefied petroleum gas(Limited to non-fuel uses such as raw materials for industrial production),naphtha,gasoline,diesel fuel[Closed cup flash point ≤60ºC],Synthetic resins containing flammable solvents,paint,Auxiliary material,Paint and other products[Closed cup flash point ≤60ºC](Hazardous chemicals business license is valid until2025year1moon9day);Import and export of goods or technology(Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval);Manufacturing of metal packaging containers;Fresh water supply for ships,crew transfer,Supplies for sailing ships(domestic),Supplies of daily necessities for sailing ships(domestic),Ship Pollutant Reception(Oily sewage,residual oil,tank washing water,Domestic sewage and garbage);Environmental engineering construction;Sanitation Management(Does not include municipal waste disposal services);Road transport of dangerous goods(2kind1item,2kind2item,No.3kind,Hazardous Waste)The certificate is valid until2023year01moon23day;General and special equipment repair.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)